Encyclopædia Metropolitana
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Deduction the Earth, No. Observers. Place. Latitude. Length” of Seconds'
Pendulum and Equation. from PenS- 1 Sabine ... . . . . . . . . . . . . . . . . Spitzbergen . .
. . . . . . . . 79° 50' N. 39.21469 = E x {1 + F x.9689} dulum.0Equations 2 Sabine .